package com.example.demo.config;

import org.apache.shiro.spring.web.ShiroFilterFactoryBean;
import org.apache.shiro.web.mgt.DefaultWebSecurityManager;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.LinkedHashMap;
import java.util.Map;

@Configuration
public class ShiroConfig {

    //ShiroFilterFactoryBean
    @Bean
    public ShiroFilterFactoryBean getShiroFilterFactoryBean(@Qualifier("securityManager") DefaultWebSecurityManager defaultWebSecurityManager){
        ShiroFilterFactoryBean bean = new ShiroFilterFactoryBean();
        //关联ShiroFilterFactoryBean
        bean.setSecurityManager(defaultWebSecurityManager);

        //添加ishiro的内置过滤器
//            anon:无需认证就可以访问
//            authc:必须认证了才能让问
//            user:必须拥有记住我功能才能用
//            perms :拥有对某个资源的权限才能访问
//            roLe:拥有某个角色权限才能访问
        //拦截
        Map<String,String> filterMap = new LinkedHashMap<>();
//        filterMap.put("/admin/add","authc");
//        filterMap.put("/admin/update","authc");
        filterMap.put("/user/test","perms[yes]");

//        filterMap.put("/admin/*","authc");

        bean.setFilterChainDefinitionMap(filterMap);

        //未认证则跳转登录页面
        //bean.setLoginUrl("/user/toLogin");//用在用户登录时
        //未授权页面
        bean.setUnauthorizedUrl("/user/noPower");//用在用户操作功能时

        return bean;
    }

    //DafaultwebSecurityManager
    @Bean(name = "securityManager")
    public DefaultWebSecurityManager getDefaultWebSecurityManager(@Qualifier("userRealm") UserRealm userRealm){
        DefaultWebSecurityManager securityManager = new DefaultWebSecurityManager();
        //关联AdminRealm
        securityManager.setRealm(userRealm);
        return securityManager;
    }

    //创建realm 对象，需要自定义类
    @Bean(name="userRealm")
    public UserRealm userRealm(){
        return new UserRealm();
    }

    //整合ShiroDialect：用来整合 Shiro 和 thymeleaf

}
